38845659813 has 16 divisors (see below), whose sum is σ = 54524430720. Its totient is φ = 24551926784.

The previous prime is 38845659763. The next prime is 38845659817. The reversal of 38845659813 is 31895654883.

It is a cyclic number.

It is not a de Polignac number, because 38845659813 - 2²¹ = 38843562661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38845659817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2483268 + ... + 2498861.

It is an arithmetic number, because the mean of its divisors is an integer number (3407776920).

Almost surely, 2^38845659813 is an apocalyptic number.

It is an amenable number.

38845659813 is a deficient number, since it is larger than the sum of its proper divisors (15678770907).

38845659813 is a wasteful number, since it uses less digits than its factorization.

38845659813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982268.

The product of its digits is 24883200, while the sum is 60.

The spelling of 38845659813 in words is "thirty-eight billion, eight hundred forty-five million, six hundred fifty-nine thousand, eight hundred thirteen".